Digital computer teaching machine



DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 6, 1965 22 Sheets-Sheet 4FIG.

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DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 6. 1965 22 Sheets-Sheet 4FIG. 6

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DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 6, 1965 22 Sheets-Sheet 6March 5, 1968 Filed Jan. 6, 1965 M. RASPANTI DIGITAL COMPUTER TEACHINGMACHINE 22 Sheets-Sheet 1 0 March 5, 1968 M. RASPANTI 3,372,381

DIGITAL COMPUTER TEACHING MACHINE March 5, 1968 M. RASPANTI DIGITALCOMPUTER TEACHING MACHINE Filed Jan. 6, 1965 FIG. /4 SCANNER REGISTERcmcuws LOCKING ms v v 15x1 15x5 -k -A 21 |5Y5 I 525/ J mscoo 15x4 I5Y4Jffiscm ;L 15x 212 19m as (5 T "-6 J I flscoz I520 |5x2 i 2| 22Sheets-Sheet I 2 March 5, 1968 M. RASPANTI DIGITAL COMPUTER TEACHINGMACHINE 22 Sheets-$heat 16 March 5, 1968 M. RASPANTI 3,372,381

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DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 5, 1965 FIG. /7

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DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 6, 1965 22 Sheets-Sheet 16FIG. /8 I CLOCK AND MODE CONTROL pg Vivi, ,W%l TO-A n-A T2-A T3-A mu I6!2 Hl-SPEED INTERRUPTER IBCL MiCRO-SWFTCH 1 v M|CRO-5WITCH STP I l --1awe 5 l6 s T I I [E I 1 T2 1 a B5 BI C5 I 8 B J m2 Y lack 4 cm- L I /C6C7 I I L March 5, 1968 M. RASPANTI 3,372,381

DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 6, 1965 22 Sheets-Sheet 1'?FIG/9 DISPLAY CONTROL |9D2 fil (SW12 '1' i SW5 6W|3 1901 6W|3 6 8 IO6w|4 g ADD STPM/FWW N a AND 8P HOM WM TRA March 5, 1968 M. RASPANTI3,372,381

DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 1965 22 Sheets-Sheet 18FIG. 20 XOR LOGJC ARJTH.UNIT

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DIGITAL COMPUTER TEACHING MACHINE Filed Jan. 6, 1965 FIG. 2/ LOGICARITH. UNIT |OALA5 IBMBE IOALAS I6M lOALAfi IGMBS TRA TRA 22Sheets-Sheet 19

